mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-08-05 16:54:27 +00:00
fb7612b6c4
Add ipv4 support to the recently added chunks tests, which was added as ipv6 only. Signed-off-by: Mina Almasry <almasrymina@google.com> Acked-by: Stanislav Fomichev <sdf@fomichev.me> Link: https://patch.msgid.link/20250615203511.591438-3-almasrymina@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
77 lines
2.3 KiB
Python
Executable file
77 lines
2.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: GPL-2.0
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from os import path
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from lib.py import ksft_run, ksft_exit
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from lib.py import ksft_eq, KsftSkipEx
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from lib.py import NetDrvEpEnv
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from lib.py import bkg, cmd, rand_port, wait_port_listen
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from lib.py import ksft_disruptive
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def require_devmem(cfg):
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if not hasattr(cfg, "_devmem_probed"):
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probe_command = f"{cfg.bin_local} -f {cfg.ifname}"
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cfg._devmem_supported = cmd(probe_command, fail=False, shell=True).ret == 0
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cfg._devmem_probed = True
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if not cfg._devmem_supported:
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raise KsftSkipEx("Test requires devmem support")
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@ksft_disruptive
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def check_rx(cfg) -> None:
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require_devmem(cfg)
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port = rand_port()
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socat = f"socat -u - TCP{cfg.addr_ipver}:{cfg.addr}:{port},bind={cfg.remote_addr}:{port}"
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listen_cmd = f"{cfg.bin_local} -l -f {cfg.ifname} -s {cfg.addr} -p {port} -c {cfg.remote_addr} -v 7"
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with bkg(listen_cmd, exit_wait=True) as ncdevmem:
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wait_port_listen(port)
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cmd(f"yes $(echo -e \x01\x02\x03\x04\x05\x06) | \
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head -c 1K | {socat}", host=cfg.remote, shell=True)
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ksft_eq(ncdevmem.ret, 0)
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@ksft_disruptive
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def check_tx(cfg) -> None:
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require_devmem(cfg)
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port = rand_port()
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listen_cmd = f"socat -U - TCP{cfg.addr_ipver}-LISTEN:{port}"
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with bkg(listen_cmd) as socat:
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wait_port_listen(port)
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cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_remote} -f {cfg.ifname} -s {cfg.addr} -p {port}", host=cfg.remote, shell=True)
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ksft_eq(socat.stdout.strip(), "hello\nworld")
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@ksft_disruptive
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def check_tx_chunks(cfg) -> None:
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require_devmem(cfg)
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port = rand_port()
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listen_cmd = f"socat -U - TCP{cfg.addr_ipver}-LISTEN:{port}"
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with bkg(listen_cmd, exit_wait=True) as socat:
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wait_port_listen(port)
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cmd(f"echo -e \"hello\\nworld\"| {cfg.bin_remote} -f {cfg.ifname} -s {cfg.addr} -p {port} -z 3", host=cfg.remote, shell=True)
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ksft_eq(socat.stdout.strip(), "hello\nworld")
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def main() -> None:
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with NetDrvEpEnv(__file__) as cfg:
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cfg.bin_local = path.abspath(path.dirname(__file__) + "/ncdevmem")
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cfg.bin_remote = cfg.remote.deploy(cfg.bin_local)
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ksft_run([check_rx, check_tx, check_tx_chunks],
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args=(cfg, ))
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ksft_exit()
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if __name__ == "__main__":
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main()
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